1. 2007 – 2008 STD/HIV Laboratory Survey
Minnesota Department of Health
STD and HIV Section

2. Background
Under Minnesota law health care providers and laboratories must report all lab-confirmed cases of HIV, chlamydia, gonorrhea, and syphilis to MDH within one working day.
There have been significant changes in STD/HIV laboratory test technologies over the past decade.
From September, 2007 to July, 2008 MDH sent electronic surveys to 120 laboratories as an assessment of STD/HIV testing and reporting practices.

3. Demographics Response Rate Laboratory Types*
Chlamydia/Gonorrhea: 80% (96/120 labs)
Syphilis: 80% (96 / 120 labs)
HIV: 78% (94 / 120 labs)
Laboratory Types*
21 Non-profit Labs 1 City Lab
20 Community labs 2 State Labs
16 Non-profit Community Labs 4 Commercial Laboratories
1 HMO 3 Physician’s Offices
*Includes 10 Out-of-State Labs

4. Chlamydia/Gonorrhea Survey Results

5. Chlamydia/Gonorrhea Testing Practices
26% (25) tested for both Chlamydia and Gonorrhea
60% (58) did not test for either Chlamydia or Gonorrhea
No lab reported testing only for Chlamydia
13% (13) tested only for Gonorrhea

6. Includes results from reference laboratories used by labs included in the survey

7. Includes results from reference laboratories used by labs included in the survey

8. Includes results from reference laboratories used by labs included in the survey

9. Includes results from reference laboratories used by labs included in the survey

10. Oral/Rectal Testing Chlamydia Oral/Rectal Testing by Culture
Oral Testing 8%
Rectal Testing 7%
Neither Oral nor Rectal Testing 7%
Gonorrhea Oral/Rectal Testing by Culture
Oral Testing 31%
Rectal Testing 30%
Neither Oral nor Rectal Testing 2%

11. Testing and Positivity Rates
Chlamydia Testing Rates
Total Number of Chlamydia Tests Performed 658,879
Total Number of Positive Chlamydia Tests 25,615
Positivity Rate Range for Chlamydia Tests 0% - 11%
Gonorrhea Testing Rates
Total Number of Gonorrhea Tests Performed 627,547
Total Number of Positive Gonorrhea Tests 5,324
Positivity Rate Range for Gonorrhea Tests 0% - 11%

12. Syphilis Survey Results

13. Syphilis Testing Practices
62% of labs (n = 60) reported no Syphilis screening done
86% of labs (n = 83) reported no Syphilis confirmation testing done

14. Includes results from reference laboratories used by labs included in the survey

15. Includes results from reference laboratories used by labs included in the survey
87% of labs reported no confirmatory testing done.

16. Syphilis Screening and Positivity Rates, 2007
Total Number of Screening Tests
326,847
Total Number of Positive Screening Tests
3,757
Range of Screening Tests Ran
,973
Positivity Rate Range for Screening
0% – 3%
Includes results from reference laboratories used by labs included in the survey

17. Syphilis Confirmation Testing and Positivity Rates, 2007
Total Number of Confirmation Tests
5,436
Total Number of Positive Confirmation Tests
2,922
Range of Confirmation Tests Ran
3,278
Positivity Rate Range for Confirmation Tests
0% - 93%
Includes results from reference laboratories used by labs included in the survey

18. HIV Survey Results

19. HIV Testing Practices 61% (n = 57) perform HIV screens
4% (n = 4) perform HIV confirmatory tests
8% (n = 8) perform other HIV tests

20. 13 labs performed Waived Testing, 14 labs performed Non-Waived Testing
Includes results from reference laboratories used by labs included in the survey

21. Includes results from reference laboratories used by other labs included in the survey

22. Minnesota Department of Health
For More Information
STD and HIV Section
Minnesota Department of Health